 At first it was equipped with twelve Fairey Barracudas and four Avro Ansons, but in 1953 the Fairey Firefly T7 and Percival Sea Prince T1 aircraft were introduced, and in the same year the squadron moved to RNAS Culdrose.In 1955 the squadron changed its name to the Observer and Air Signal School.After discontinuing the training of air telegraphists, it changed again to the Observer School in May 1959.